/*
 * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.palantir.atlasdb.sweep.queue;

import com.palantir.atlasdb.transaction.api.TransactionManager;
import java.util.function.LongSupplier;

public class SpecialTimestampsSupplier {
    private final LongSupplier unreadableTsSupplier;
    private final LongSupplier immutableTsSupplier;

    public SpecialTimestampsSupplier(LongSupplier unreadableTsSupplier, LongSupplier immutableTsSupplier) {
        this.unreadableTsSupplier = unreadableTsSupplier;
        this.immutableTsSupplier = immutableTsSupplier;
    }

    public static SpecialTimestampsSupplier create(TransactionManager txnManager) {
        return new SpecialTimestampsSupplier(txnManager::getUnreadableTimestamp, txnManager::getImmutableTimestamp);
    }

    public long getUnreadableTimestamp() {
        return unreadableTsSupplier.getAsLong();
    }

    public long getImmutableTimestamp() {
        return immutableTsSupplier.getAsLong();
    }
}
